Don't forget, read only mount! Flash has limited writes and is can easily be corrupted/damaged from power failure.
On Tuesday, July 29, 2014 9:02:52 AM UTC-7, Ben Gamari wrote: > > Matt Pinner <mpi...@gmail.com <javascript:>> writes: > > > tldr: can i run a BBB for three years? > > > Sure! > > > I'm about to fly a BBB (w the latest debian) high into the rafters at a > > space in Denver. > > > Awesome! > > > It will control 1440 leds over SPI from pixel data sent over UDP via > OPC. > > > What is OPC? Presumably this isn't OLE for Process Control? > > > This is all very exciting for me and things have been running fairly > > smoothly and the community support and blogs have been enormously > helpful. > > > > Now i'm kind of freaking out bc this thing should ideally run as stably > as > > any light fixture and i'm not sure a good way to really test that kind > of > > thing. > > > Indeed it's not easy to test for stability. I've found the BBB hardware > to be rock solid but YMMV. The obvious place to start would be just to > let the board sit running your code for as long as you can. > > > the sub one-minute boot up time seems acceptible enough, so the client > can > > always reboot it, but then what does that do the filesystem? > > > > i've started looking into logrotate to keep the disk cleared, but there > is > > still the question how many read/write cycles will the eMMC accept > before > > drama happens? > > > If at all possible I would try to keep the root file system mounted as > read-only. It can be difficult to predict the rate of disk writes > (e.g. logging rate) on a running system and I wouldn't want to risk it > just for log files. This is especially true if you may have flaky power > (SD cards have been known to die when power is removed at the wrong > point in a write operation). My first instinct would be to play it safe > and put /var on a tmpfs. > > > I plan to have a private network running so i should be able to login to > > the BBB for some kind of maintenance and troubleshooting. do i run a > long > > (100ft) serial cable? and usb cable as well? > > > It certainly wouldn't hurt to have something like this in place, > especially at first. > > > im tempted to put it online so i can check from afar, but i feel that > > invites all kinds of new room for disaster and abuse. > > > If you firewall all but port 22 and configure sshd securely (either > a particularly strong password or exclusively key-based authentication) > I'd say the risk is pretty low. > > Let us know how it goes and don't hesitate to ask more questions! > > Cheers, > > - Ben > -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group and stop receiving emails from it, send an email to beagleboard+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
